package com.four.bmm.controller;

import com.four.bmm.entity.User;
import com.four.bmm.service.UserService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
@WebServlet("/CheckNameExist")
public class CheckNameExist extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username=req.getParameter("username");
        UserService userService=new UserService();
        boolean flag=userService.checkUserByName(username);
        resp.setContentType("text/html; charset=UTF-8");
        PrintWriter out =resp.getWriter();
        if(flag){
            out.print("true");
        }else {
            out.print("false");
        }


    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
}
